@mixin triangle($imgurl) {
    height: 31px;
    background-color:transparent;
    background-image: url($imgurl);
    background-position: center top;
    background-repeat: repeat-x;
    left: 0px;
    width: 100%;
    z-index: 100;
    position: absolute;
}

@mixin circle {
    width: 5px;
    height: 5px;
    background-color: pink;
}